Finding the Fourth Proportional to 3,662.72, 5,054.36 and 2,090.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.72 : 5,054.36 = 2,090.96 : x
2. Step 2: Convert to fraction form
   3,662.72/5,054.36 = 2,090.96/x
3. Step 3: Cross multiply
   3,662.72x = 5,054.36 × 2,090.96
4. Step 4: Simplify right side
   3,662.72x = 10,568,464.59
5. Step 5: Solve for x
   x = 10,568,464.59/3,662.72
6. Step 6: Final answer
   x = 2,885.41